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→Project ideas: Add LUO integration
* Expected size: 350 hours
* Expected size: 350 hours
* Suggested by: Alexander Mikhalitsyn <alexander@mihalicyn.com>
* Suggested by: Alexander Mikhalitsyn <alexander@mihalicyn.com>
* Mentors: Andrei Vagin <avagin@gmail.com>, Alexander Mikhalitsyn <alexander@mihalicyn.com>
=== Integrate with Live Update Orchestrator (LUO) ===
'''Summary:''' Integrate with Live Update Orchestrator (LUO)
Live Update Orchestrator (LUO) is a framework for Linux kernel
live updates (via kexec). Idea behind it is to provide kernel
and user space API to save specific system resources across
kexec reboot.
This research project explores how CRIU can be integrated with LUO.
For example, if a user is running memcached on a node, the current
approach would require a full CRIU dump, then saving the entire
process memory to disk, then followed by restoring it after the
kernel live update.
Instead, CRIU could be extended to leverage the LUO API. When instructed,
it could preserve selected memory regions directly across the kexec reboot,
avoiding a full disk dump and significantly accelerating the restore process
after the kernel update.
'''Links:'''
* [1] LUO kernel documentation https://docs.kernel.org/core-api/liveupdate.html
* [2] LUO memfd doc https://docs.kernel.org/mm/memfd_preservation.html
'''Details:'''
* Skill level: intermediate / advanced
* Language: C
* Expected size: 350 hours
* Suggested by: Andrei Vagin <avagin@gmail.com>
* Mentors: Andrei Vagin <avagin@gmail.com>, Alexander Mikhalitsyn <alexander@mihalicyn.com>
* Mentors: Andrei Vagin <avagin@gmail.com>, Alexander Mikhalitsyn <alexander@mihalicyn.com>